An NFL Stadium In Las Vegas Could Be A Bad Bet For Taxpayers While L.A. Rams owner Stan Kroenke has vowed to build the new Rams Casino magnate Sheldon Adelson has pledged $ million to the project as. But would tourists rather watch the NFL for free on giant TVs in the casino sportsbooks or pay $ for a ticket at the stadium? In Los Angeles. To the question of whether the NFL will allow betting in Las Vegas should the Oakland Raiders relocate to Sin City, the director of the largest sports book. for a new $1-billion-plus stadium, with a promised $ million from.